Format results
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Entropy modulo p and quantum information
Maris Ozols - University of Amsterdam
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Quantum Complexity of Kronecker Coefficients
Vojtěch Havlíček - IBM (United States)
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On the vertices of Lambda polytopes
Cihan Okay - Bilkent University
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Generating Kitaev spin liquid from a stochastic measurement-only circuit
Zhu-Xi Luo - Harvard University
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Accelerating cosmology from Λ < 0 gravitational effective field theory
Chris Waddell - Perimeter Institute for Theoretical Physics
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Counting atypical black hole microstates from entanglement wedges
Zixia Wei - Kyoto University
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Quantum Error Mitigation and Error Correction: a Mathematical Approach
Ningping Cao - University of Waterloo
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Quantum Impulse Sensing with Mechanical Sensors in the Search for Dark Matter
Sohitri Ghosh - University of Maryland, College Park
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Holographic measurement and bulk teleportation
Stefano Antonini - University of Maryland, College Park
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Emergent time and reconstruction of the black hole interior
Lampros Lamprou - Massachusetts Institute of Technology (MIT) - Department of Physics
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Measurement-induced phase transitions on dynamical quantum trees
Xiaozhou Feng - Ohio State University
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Quantum many-time physics: noise, complexity, and windows to new phenomena
Gregory White - University of Melbourne
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Entropy modulo p and quantum information
Maris Ozols - University of Amsterdam
Tom Leinster recently introduced a curious notion of entropy modulo p ( https://arxiv.org/abs/1903.06961). While entropy has a certain meaning in information theory and physics, mathematically it is simply a function with certain properties. Stating these as axioms, the function is unique… -
Quantum Complexity of Kronecker Coefficients
Vojtěch Havlíček - IBM (United States)
Kronecker coefficients appear in representation of the symmetric group in the decomposition of tensor products of irreducible representations. They are notoriously difficult to compute and it is a long standing problem to find a combinatorial expression for them. We study the problem of computing… -
On the vertices of Lambda polytopes
Cihan Okay - Bilkent University
Classical simulation algorithms provide a rigorous ground for investigating quantum resources responsible for quantum speedup. In my talk, I will consider one such algorithm provided by Lambda polytopes. These polytopes are defined to be the polar dual of the stabilizer polytopes and can be used to… -
Generating Kitaev spin liquid from a stochastic measurement-only circuit
Zhu-Xi Luo - Harvard University
Experimental realizations of long-range entangled states such as quantum spin liquids are challenging due to numerous complications in solid state materials. Digital quantum simulators, on the other hand, have recently emerged as a promising platform to controllably simulate exotic phases. I will… -
Accelerating cosmology from Λ < 0 gravitational effective field theory
Chris Waddell - Perimeter Institute for Theoretical Physics
A large class of Λ < 0 cosmologies have big-bang / big crunch spacetimes with time-symmetric backgrounds and asymptotically AdS Euclidean continuations suggesting a possible holographic realization. We argue that these models generically have time-dependent scalar fields, and these can lead to… -
Counting atypical black hole microstates from entanglement wedges
Zixia Wei - Kyoto University
Typicality, the feature that almost any microstate living in the microcanonical subspace cannot be locally distinguished from a thermal ensemble, lies at the fundamental part of statistical physics. However, one may wonder if there exists a sufficient amount of orthogonal atypical states to account… -
Quantum Error Mitigation and Error Correction: a Mathematical Approach
Ningping Cao - University of Waterloo
Error-correcting codes were invented to correct errors on noisy communication channels. Quantum error correction (QEC), however, has a wider range of uses, including information transmission, quantum simulation/computation, and fault-tolerance. These invite us to rethink QEC, in particular, the role… -
Quantum Impulse Sensing with Mechanical Sensors in the Search for Dark Matter
Sohitri Ghosh - University of Maryland, College Park
Recent advances in mechanical sensing technologies have led to the suggestion that heavy dark matter candidates around the Planck mass range could be detected through their gravitational interaction alone. The Windchime collaboration is developing the necessary techniques, systems, and experimental… -
Holographic measurement and bulk teleportation
Stefano Antonini - University of Maryland, College Park
In holography, spacetime is emergent and its properties depend on the entanglement structure of the dual theory. An interesting question is how changes in the entanglement structure affect the bulk dual description. In this talk, I will describe how local projective measurements performed on a… -
Emergent time and reconstruction of the black hole interior
Lampros Lamprou - Massachusetts Institute of Technology (MIT) - Department of Physics
I will present a general bulk reconstruction technique in AdS/CFT suitable for addressing a facet of the black hole information problem: How to unambiguously predict the results of measurements performed by an infalling observer in the black hole interior. I will explicitly apply the method in the… -
Measurement-induced phase transitions on dynamical quantum trees
Xiaozhou Feng - Ohio State University
Monitored many-body systems fall broadly into two dynamical phases, ``entangling'' or ``disentangling'', separated by a transition as a function of the rate at which measurements are made on the system. Producing an analytical theory of this measurement-induced transition is an outstanding challenge… -
Quantum many-time physics: noise, complexity, and windows to new phenomena
Gregory White - University of Melbourne
Quantum theory has a temporal composition, which is expressed under many different operational frameworks. Here, points in time are imbued with a Hilbert space structure, and quantum states are passed between times through a series of experimental interventions. A multi-time quantum process…